Sole of a golf club head



FIG. 1 is a sole, heel side perspective view of a new design for a sole of a golf club head;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a toe side view thereof; and,

FIG. 6 is a heel side view thereof.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design. 

CLAIM The ornamental design for a sole of a golf club head, as shown and described. 